Home / 13,306,220.80-19,959,331.20-9,054,692.80

Finding the Fourth Proportional to 13,306,220.80, 19,959,331.20 and 9,054,692.80

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Solution

The fourth proportional to 13,306,220.80, 19,959,331.20 and 9,054,692.80 is: 13,582,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,220.80 : 19,959,331.20 = 9,054,692.80 : x
  2. Step 2: Convert to fraction form
    13,306,220.80/19,959,331.20 = 9,054,692.80/x
  3. Step 3: Cross multiply
    13,306,220.80x = 19,959,331.20 × 9,054,692.80
  4. Step 4: Simplify right side
    13,306,220.80x = 180,725,612,509,455.38
  5. Step 5: Solve for x
    x = 180,725,612,509,455.38/13,306,220.80
  6. Step 6: Final answer
    x = 13,582,039.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.